2012 California State Science Fair Participants
Maria R. McKinney


Maria
Project J0514
Maria R. McKinney, Grade 7 portrait
Comparing Biogas Yield from Anaerobic Digestion
Advisor: Ms. Diane Bredt
School: St. Mark's School, San Rafael, Marin County
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California State Science Fair / 2012 / Portraits / CalifSF@usc.edu